| 摘要 |
PURPOSE:To fit and fix a fan guard in a supply nozzle simply and conveniently without using components separate from the fan guard, or others, by retaining the fan guard in the supply nozzle by inserting end parts of lateral and longitudinal pieces of the fan guard into fitting holes provided in the right and left. side walls of the supply nozzle and the lower frame part thereof and by making them engage with the holes. CONSTITUTION:A fan guard 13 is fitted to a supply nozzle 1 in such a manner that the fan guard 13 is set from the back side of the supply nozzle 1 and a lateral piece 8 in the upper part of the fan guard 13 is made to engage with and to be retained in slits for retention provided in a pair of right and left extension parts 7a which are formed by monolithic molding in the upper part of a support device 7 for supporting an air direction adjusting vane 12 which can be driven in the vertical direction. At the same time, the end part 8a of the lateral piece of the fan guard and the end part 9a of a longitudinal piece thereof are inserted into and made to engage with the right and left side walls 2 of the supply nozzle l and a fitting hole 4a provided in the lower frame part 4 thereof, and thereby the fan guard 13 is retained and fixed in the supply nozzle 1. |
